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Rendered output bumps up saturation and contrast
When rendering from DV to an MPEG-2 file, I notice the saturation and contrast both increase. When compared to MPEG-2 files encoded by TMPGEnc, the difference is striking (and not desirable). Could I have missed something in my project settings?
I’m using DV Type 1 files captured outside Vegas, and I’ve changed my preferences in Vegas to allow the Microsoft DV codec. The reason I didn’t capture using the Sony DV codec is that I’m new to Vegas, and I already have a hard drive full of footage that needs editing. Could the MS codec be the cause of the overly saturated, contrasty output?
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Michael -
4 Replies
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The DV codec is not in play when you encode to Mpeg 2 (nor is it during DV capture).
Gary Kleiner
Learn Vegas and DVD Architect
http://www.VegasTrainingAndTools.com
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Although capture has no changing of format involved, only a transfer of data, doesn’t the DV formant’s compression need to be de-compressed (which would take action by the “..dec” part of the dv-codec) before being re-encoded into MPEG?
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I seem to recall reading somewhere that the Microsoft DV codec uses the full 0-255 range while the codec in Vegas restricts it to 16-235. This would account for the increased saturation & contrast. Try fixing this by using the secondary color correction FX and applying the “computer RGB to studio RGB” preset. In your case, this would have to be applied at the track level.
As far as having a hard drive full of footage, invest in another hard drive and an external case (or two). Both are very reasonably priced these days. -
Thanks. That solved the problem. Vegas rendered the MPEG-2 file so it appears almost identical to the one encoded by TMPGEnc. There may be a slight washing out of some subtler colors, but it’s hardly detectable.
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Michael
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